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Finding the Fourth Proportional to 480,018.08, 662,582.81 and 382,080.97

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Solution

The fourth proportional to 480,018.08, 662,582.81 and 382,080.97 is: 527,397.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    480,018.08 : 662,582.81 = 382,080.97 : x
  2. Step 2: Convert to fraction form
    480,018.08/662,582.81 = 382,080.97/x
  3. Step 3: Cross multiply
    480,018.08x = 662,582.81 × 382,080.97
  4. Step 4: Simplify right side
    480,018.08x = 253,160,284,533.56
  5. Step 5: Solve for x
    x = 253,160,284,533.56/480,018.08
  6. Step 6: Final answer
    x = 527,397.39

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.